Section 5 GPIB
5-8
(1) Standard Event Status Register
The following shows the bit functions and setting conditions.
• PON (Power On)
When power is turned on (Power Off → On)
•URQ (User Request)
When there is a user request (not used so always “0”)
•CME (Command Error)
When format of received message cannot be interpreted, an unsupported header was received, or a GET was de-
tected within a received program message
• EXE (Execution Error)
When the program data following the header is outside the normal range or the program message cannot be pro-
cessed due to a previously set value
• DDE (Device Dependent Error)
When a device dependent error occurs (not used so always “0”)
• QYE (Query Error)
When there was a read request even though the output queue was empty or output queue data was lost
• RQC (Request Control)
There is no controller function. Always “0”.
• OPC (Operation Complete)
When responding to *OPC and all specified operations are complete.
(2) Standard Event Status Enable Register
This register permits events of the standard event status register to be reflected in the ESB of the status byte register.
(3) Status Byte Register
The following shows the functions and setting conditions of each bit.
• MSS (Master Summary Status)
When events concerning END, ERR, MAV, and ESB occur
• RQS (Request Service)
When service requests concerning END, ERR, MAV, and ESB occur
• ESB (Event Status Bit)
When one or more events permitted by the standard event status enable register occur
• MAV (Message Available)
When there is data in the output queue
• Other bits are undefined and always “0”
(4) Service Request Enable Register
Register permitting service requests.
(5) END Event Status Register
The following shows the functions and setting conditions of each bit.
• MEA : End of measurement
• STA : End of statistics processing
• Other bits are undefined and always “0”
To Next Page
Loading...